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CIDR Range

72.190.128.0/17

Addresses
32,768
32.8K
Sub-ranges
8+
within this block
PTR Density
98.5%
32.3K of 32.8K IPs have PTR

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 72.190.128.0/17

First and last addresses in 72.190.128.0/17

72.190.128.0/17 runs from 72.190.128.0 to 72.190.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 72.190.0.0/15.

Announced prefix
Origin AS
Announcement samples
20,056
Last seen
2026-10-27 12:24:20

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — US

Frequently Asked Questions

What is 72.190.128.0/17?

72.190.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 72.190.128.0 to 72.190.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 72.190.128.0/17 network?

The 72.190.128.0/17 range is allocated to Charter Communications, Inc and announced via AS11427 from United States.

Last updated: 2026-10-27 12:39:05 UTC
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